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| Double head gasket for turbo small bore? https://ausmini.com/forums/viewtopic.php?f=2&t=101977 |
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| Author: | mattsmadmini [ Sun Aug 13, 2023 11:22 am ] |
| Post subject: | Double head gasket for turbo small bore? |
Hey all, long time no post My HG blew between 3+4 last week. (boosted 1100) Did the calc's after the fact and determined i had a static comp of 10.5:1 (spicy) Now in order to attempt to make Rylstone, i can either go single gasket and risk another blow out, or double up, lower comp to around 9.69:1 and pray to the engine gods? 1098+60 12g206 head 26cc chambers Deck height 13 thou gt17 6psi Have cleaned and polished the head and top of block (obvs would love to do a skim to true them both, but probably not able with time at the moment) Are there any other options? |
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| Author: | timmy201 [ Sun Aug 13, 2023 1:41 pm ] |
| Post subject: | Re: Double head gasket for turbo small bore? |
I had a good chat with an engine builder a few weeks back and he said he’d had good results with his turbo engine running a double head gasket. |
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| Author: | drmini in aust [ Sun Aug 13, 2023 10:31 pm ] |
| Post subject: | Re: Double head gasket for turbo small bore? |
I did it for years on my 1310 when running flat top Mahle pistons on the street. It got the C/R down to 11.0:1....! |
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